When it comes to applying makeup, makeup brushes are every beauty junkie’s secret weapon to get a flawless look. But ask them when was the last time they washed their brushes, and the answer is likely longer than it should be (I am guilty of this too), so consider this your personal reminder to wash those brushes sitting on your vanity. Today’s blog post, I am sharing five rules of thumb to follow when caring for your makeup brushes: Wash Once a Week How often should you wash your brushes? While it varies depending on how often you use your brushes, I recommend washing them once a week. Your brushes…